The United Kingdom has taken a gradual, register-then-regulate approach to crypto, building out full oversight in stages rather than passing one single law all at once. The Financial Conduct Authority (FCA) is the main regulator, and its role has expanded steadily since 2020.
Registration comes first
Since January 2020, crypto businesses operating in the UK — exchanges, wallet providers, and similar firms — have needed to register with the FCA under anti-money-laundering rules. This registration focuses on preventing financial crime: firms must verify customer identities, monitor for suspicious activity, and report as required. It is not the same as full financial regulation, but it's the entry ticket to operating legally in the UK.
The financial promotions regime
A major shift arrived in October 2023: crypto marketing and advertising to UK consumers became tightly regulated under the financial promotions regime. Firms promoting crypto to UK residents — including many overseas exchanges — must either be FCA-authorised themselves or have their promotions approved by an authorised firm. Promotions must include clear risk warnings, cannot use unrealistic incentives like "refer a friend" bonuses in certain forms, and consumers must go through a short risk-acknowledgement process before investing for the first time. This was a direct response to concern that crypto ads made investing look far safer than it is.
Where full regulation is heading
The UK has signalled a longer-term plan to bring crypto activities — trading, custody, stablecoin issuance — under a full regulatory regime similar to how it treats traditional financial services, rather than relying only on registration and promotion rules. This has been rolled out gradually through consultations and draft legislation, with the government stating an ambition to make the UK a global hub for responsible crypto innovation, while learning from the collapses (like FTX) that shaped stricter global sentiment.
Stablecoins and taxation
The UK has also worked on a specific regime for stablecoins used as a means of payment, aiming to bring systemic ones under Bank of England oversight given their potential to function like everyday money. Separately, crypto gains are subject to Capital Gains Tax for individuals (with an annual tax-free allowance) and crypto received as income (such as through mining or staking rewards) can be subject to Income Tax — HMRC has published detailed guidance treating crypto assets as property, not currency, for tax purposes.
How it compares
The UK sits between the EU's single comprehensive MiCA framework and the US's fragmented multi-agency approach: it's building toward comprehensive regulation, but doing so in deliberate stages, with consumer-protection rules (like the promotions regime) arriving well before full market-conduct regulation is finalised.